123732875166783 has 16 divisors (see below), whose sum is σ = 165187060446720. Its totient is φ = 82383681178656.

The previous prime is 123732875166763. The next prime is 123732875166799. The reversal of 123732875166783 is 387661578237321.

It is a happy number.

It is a Cunningham number, because it is equal to 11123528²-1.

It is not a de Polignac number, because 123732875166783 - 2²⁰ = 123732874118207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123732875166763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5561766 + ... + 16685292.

It is an arithmetic number, because the mean of its divisors is an integer number (10324191277920).

Almost surely, 2^{123732875166783} is an apocalyptic number.

123732875166783 is a deficient number, since it is larger than the sum of its proper divisors (41454185279937).

123732875166783 is a wasteful number, since it uses less digits than its factorization.

123732875166783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11128246.

The product of its digits is 426746880, while the sum is 69.

The spelling of 123732875166783 in words is "one hundred twenty-three trillion, seven hundred thirty-two billion, eight hundred seventy-five million, one hundred sixty-six thousand, seven hundred eighty-three".